Perhaps you should try some spelling variations:
manh truong » manh trung, manh tuong, anh truong
hieu quang » thieu quang, hieu quan, hieu qua
chieu sach » chinh sach, chiet tach, chieu sang
truong cua » truong ca, truong quan, truong cao
dang cong » dung cong
cua dang » cua cong, cua ban
cong tac » cong ty
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu quang) or (chieu sach)) - manh truong cua dang cong tac ((toan tap) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu quang) OR (chieu sach)) - manh truong cua dang cong tac ((toan tap) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu quang) or (chieu sach)) - manh truong cua dang cong tac ((toan tap) OR (toan ban))*".